adjective Etymology: New Latin petrosa petrous portion of the temporal bone, from Latin, feminine of petrosus Date: 1741 of, relating to, or situated in the region of the petrous portion of the temporal bone or capsule of the inner ear
PETROSAL
Meaning of PETROSAL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012